diff -r 2bc526c28a3f -r f60e0908f80b marking1/collatz_test1.scala
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/marking1/collatz_test1.scala	Mon Nov 27 01:15:36 2017 +0000
@@ -0,0 +1,8 @@
+
+
+assert(List(0,1,4).contains(CW6a.collatz(1)))
+assert(CW6a.collatz(6) == 9)
+assert(CW6a.collatz(9) == 20)
+assert(CW6a.collatz(9000) == 48)
+
+